DL 2919 then DL 495 at San Francisco
Boston → San Francisco → Atlanta
Timetable, San Francisco time
23:31DL 2919 from Boston at the gatealso SK 3585, AF 3726, LA 6228
22:59DL 495 to Atlanta leaves the gatealso AM 3847, AM 4186, LA 7991
23 h 28 apart on the timetable, overnight
DL 495 leaves 23 h 28 after DL 2919 arrives on the timetable: more than half a day, so not a connection we count.